September 2010
5 posts
Traffic Lights should respond to cars, a study... →
kenyatta:
via ScienceNews:
Complex-systems scientist Dirk Helbing and his colleague Stefan Lämmer from the Dresden University of Technology in Germany noted that when crowds of people are trying to move through a narrow space, such as through a door connecting two hallways, there’s a natural oscillation: A mass of people from one side will move through the door while the other people wait,...